However, the main agencies are those regarding primary socialization, which is the process where people learn attitudes, values, and actions appropriate to individuals as members of a particular culture. Secondary socialization agencies are important too.
Measuring great saphenous vein (GSV) diameter is standard in pre-interventional assessment of varicose disorders, but has never been properly validated. This work assessed the relative value of measuring GSV diameter at the most often used sites: the sapheno-femoral junction and the proximal thigh.
Figure 4 Superficial and deep venous reflux. Notes: Reflux is measured while imaging the vein in the transverse orientation. The proximal end of the vein is on the left side of the image. In the examination of the great saphenous vein, the vein is imaged in the transverse section with color-Doppler ultrasound.